Please... for all things holy.... do not let "Fog Computing" become a term... "The Cloud" is bad enough

Isn't it the same as LAN?

That makes sense immediately.

And for the extremely security conscious, we also have moon computing.

If you need to send a file over the network using the cloud, it doesn't ever get downloaded to the local computer. There are a lot of limitations of this use case, but end user connectivity is only needed for the screen image of what is happening.

See also Tahoe-LAFS: https://en.wikipedia.org/wiki/Tahoe-LAFS